OHA Drinking Water Services
OR41
PWS ID: 00922 ---- VERNONIA, CITY OF

See also: Coliform Schedules  ::  LT2 Schedules

Chemical Sampling Schedule Status
Facility
ID
Analyte or Group   Sampling
Interval
Monitoring Period Days
Until
End
Samples
Required
Samples
Received
Last
Sample
Date
Start End
CH-A  COMMON HEADER FOR WTP-ATOTAL ORGANIC CARBON Quarterly04/01/2025 - 06/30/2025 47 1 incomplete 01/14/2025
DIST-A  Distribution System ASBESTOS, DIST  9 Years 01/01/2020 - 12/31/2028 1,327 1 incomplete11/05/2019
DIST-A  Distribution System DBP2 HAA5 ONLY notesYearly 01/01/2025 - 12/31/2025 231 1 incomplete06/04/2024
 Seasonal sampling period:  06/01  thru  06/30
DIST-A  Distribution System DBP2 TTHM ONLY notesYearly 01/01/2025 - 12/31/2025 231 1 incomplete09/24/2024
 Seasonal sampling period:  09/01  thru  09/30
DIST-A  Distribution System LEAD & COPPER notes3 Years01/01/2025 - 12/31/2025   10incomplete07/20/2022
 Seasonal sampling period:  06/01  thru  09/30
EP-A  EP FOR ROCK CREEK ARSENIC notes9 Years 01/01/2020 - 12/31/2028 1,327 1 incomplete11/05/2019
EP-A  EP FOR ROCK CREEK IOC notes9 Years 01/01/2020 - 12/31/2028 1,327 1 incomplete11/05/2019
EP-A  EP FOR ROCK CREEK NITRATE  Yearly 01/01/2025 - 12/31/2025 231 1 incomplete06/04/2024
EP-A  EP FOR ROCK CREEK NITRITE notes9 Years 01/01/2020 - 12/31/2028 1,327 1 incomplete11/05/2019
EP-A  EP FOR ROCK CREEK RAD - GROSS ALPHA  9 Years 01/01/2017 - 12/31/2025 231 1 incomplete12/13/2010
EP-A  EP FOR ROCK CREEK RAD - RADIUM 226/228 9 Years 01/01/2017 - 12/31/2025 231 1 incomplete12/13/2010
EP-A  EP FOR ROCK CREEK RAD - URANIUM  9 Years 01/01/2017 - 12/31/2025 231 1 incomplete12/13/2010
EP-A  EP FOR ROCK CREEK SOC  3 Years 01/01/2023 - 12/31/2025 231 1 incomplete11/08/2022
EP-A  EP FOR ROCK CREEK VOLATILE ORGANICS  Yearly 01/01/2025 - 12/31/2025 231 1 incomplete06/04/2024
WTP-A  TP FOR ROCK CREEKTOTAL ORGANIC CARBON Quarterly04/01/2025 - 06/30/2025 47 1 incomplete 01/14/2025

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More information for this water system: SDWIS ID 3998

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